I have a Samsung Series 7 NP730U3E which is running Ubuntu Gnome 13.10. This computer have an Intel Core i5 3337U an AMD Radeon HD 8570M on the inside. Ubuntu 13.10 is said to have driver support for this graphics card, but I am not sure whether or not this is the case.

When I check System Settings > Details it says "Graphics: Intel® Ivybridge Mobile" and lspci | grep VGA returns VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09).

But lshw -c video returns

*-display 

    description: Display controller

    product: Mars [Radeon HD 8730M]

    vendor: Advanced Micro Devices, Inc. [AMD/ATI]

    physical id: 0

    bus info: pci@0000:01:00.0

    version: 00

    width: 64 bits

    clock: 33MHz

    capabilities: pm pciexpress msi bus_master cap_list rom

    configuration: driver=radeon latency=0

    resources: irq:47 memory:e0000000-efffffff memory:f7e00000-f7e3ffff ioport:e000(size=256) memory:f7e40000-f7e5ffff

*-display

    description: VGA compatible controller

    product: 3rd Gen Core processor Graphics Controller

    vendor: Intel Corporation

    physical id: 2

    bus info: pci@0000:00:02.0

    version: 09

    width: 64 bits

    clock: 33MHz

    capabilities: msi pm vga_controller bus_master cap_list rom

    configuration: driver=i915 latency=0

    resources: irq:46 memory:f7800000-f7bfffff memory:d0000000-dfffffff ioport:f000(size=64)

What is the case? Is my graphics card is use, or do my laptop have undiscovered powers yet to yield?